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i965: Pass symbolic swizzle to brw_swizzle() as a single argument.

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And replace brw_swizzle1() with brw_swizzle().  Seems slightly cleaner
and will allow reusing brw_swizzle() in the vec4 back-end more easily.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Francisco Jerez 2016-02-26 17:04:38 -08:00
parent ff085d014e
commit 537d3df974
4 changed files with 16 additions and 20 deletions
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6
src/mesa/drivers/dri/i965/brw_clip_unfilled.c
View file

@ -85,8 +85,10 @@ static void compute_tri_direction( struct brw_clip_compile *c )
/* Take their crossproduct:
*/
brw_set_default_access_mode(p, BRW_ALIGN_16);
brw_MUL(p, vec4(brw_null_reg()), brw_swizzle(e, 1,2,0,3), brw_swizzle(f,2,0,1,3));
brw_MAC(p, vec4(e), negate(brw_swizzle(e, 2,0,1,3)), brw_swizzle(f,1,2,0,3));
brw_MUL(p, vec4(brw_null_reg()), brw_swizzle(e, BRW_SWIZZLE_YZXW),
brw_swizzle(f, BRW_SWIZZLE_ZXYW));
brw_MAC(p, vec4(e), negate(brw_swizzle(e, BRW_SWIZZLE_ZXYW)),
brw_swizzle(f, BRW_SWIZZLE_YZXW));
brw_set_default_access_mode(p, BRW_ALIGN_1);
brw_MUL(p, c->reg.dir, c->reg.dir, vec4(e));

13
src/mesa/drivers/dri/i965/brw_clip_util.c
View file

@ -98,7 +98,8 @@ void brw_clip_project_position(struct brw_clip_compile *c, struct brw_reg pos )
/* value.xyz *= value.rhw
*/
brw_set_default_access_mode(p, BRW_ALIGN_16);
brw_MUL(p, brw_writemask(pos, WRITEMASK_XYZ), pos, brw_swizzle1(pos, W));
brw_MUL(p, brw_writemask(pos, WRITEMASK_XYZ), pos,
brw_swizzle(pos, BRW_SWIZZLE_WWWW));
brw_set_default_access_mode(p, BRW_ALIGN_1);
}
@ -194,11 +195,11 @@ void brw_clip_interp_vertex( struct brw_clip_compile *c,
brw_set_default_access_mode(p, BRW_ALIGN_16);
brw_MOV(p,
brw_writemask(t_nopersp, WRITEMASK_ZW),
brw_swizzle(tmp, 0, 1, 0, 1));
brw_swizzle(tmp, BRW_SWIZZLE_XYXY));
/* t_nopersp = vec4(v1.xy, dest.xy) - v0.xyxy */
brw_ADD(p, t_nopersp, t_nopersp,
negate(brw_swizzle(v0_ndc_copy, 0, 1, 0, 1)));
negate(brw_swizzle(v0_ndc_copy, BRW_SWIZZLE_XYXY)));
/* Add the absolute values of the X and Y deltas so that if
* the points aren't in the same place on the screen we get
@ -212,8 +213,8 @@ void brw_clip_interp_vertex( struct brw_clip_compile *c,
*/
brw_ADD(p,
brw_writemask(t_nopersp, WRITEMASK_XY),
brw_abs(brw_swizzle(t_nopersp, 0, 2, 0, 0)),
brw_abs(brw_swizzle(t_nopersp, 1, 3, 0, 0)));
brw_abs(brw_swizzle(t_nopersp, BRW_SWIZZLE_XZXZ)),
brw_abs(brw_swizzle(t_nopersp, BRW_SWIZZLE_YWYW)));
brw_set_default_access_mode(p, BRW_ALIGN_1);
/* If the points are in the same place, just substitute a
@ -234,7 +235,7 @@ void brw_clip_interp_vertex( struct brw_clip_compile *c,
brw_MUL(p, vec1(t_nopersp), vec1(t_nopersp),
vec1(suboffset(t_nopersp, 1)));
brw_set_default_access_mode(p, BRW_ALIGN_16);
brw_MOV(p, t_nopersp, brw_swizzle(t_nopersp, 0, 0, 0, 0));
brw_MOV(p, t_nopersp, brw_swizzle(t_nopersp, BRW_SWIZZLE_XXXX));
brw_set_default_access_mode(p, BRW_ALIGN_1);
release_tmp(c, tmp);

2
src/mesa/drivers/dri/i965/brw_eu_emit.c
View file

@ -3402,7 +3402,7 @@ brw_broadcast(struct brw_codegen *p,
*/
inst = brw_MOV(p,
brw_null_reg(),
stride(brw_swizzle1(idx, 0), 0, 4, 1));
stride(brw_swizzle(idx, BRW_SWIZZLE_XXXX), 0, 4, 1));
brw_inst_set_pred_control(devinfo, inst, BRW_PREDICATE_NONE);
brw_inst_set_cond_modifier(devinfo, inst, BRW_CONDITIONAL_NZ);
brw_inst_set_flag_reg_nr(devinfo, inst, 1);

15
src/mesa/drivers/dri/i965/brw_reg.h
View file

@ -81,7 +81,9 @@ struct brw_device_info;
#define BRW_SWIZZLE_ZZZZ BRW_SWIZZLE4(2,2,2,2)
#define BRW_SWIZZLE_WWWW BRW_SWIZZLE4(3,3,3,3)
#define BRW_SWIZZLE_XYXY BRW_SWIZZLE4(0,1,0,1)
#define BRW_SWIZZLE_XZXZ BRW_SWIZZLE4(0,2,0,2)
#define BRW_SWIZZLE_YZXW BRW_SWIZZLE4(1,2,0,3)
#define BRW_SWIZZLE_YWYW BRW_SWIZZLE4(1,3,1,3)
#define BRW_SWIZZLE_ZXYW BRW_SWIZZLE4(2,0,1,3)
#define BRW_SWIZZLE_ZWZW BRW_SWIZZLE4(2,3,2,3)
#define BRW_SWIZZLE_WZYX BRW_SWIZZLE4(3,2,1,0)
@ -871,24 +873,15 @@ get_element_d(struct brw_reg reg, unsigned elt)
return vec1(suboffset(retype(reg, BRW_REGISTER_TYPE_D), elt));
}
static inline struct brw_reg
brw_swizzle(struct brw_reg reg, unsigned x, unsigned y, unsigned z, unsigned w)
brw_swizzle(struct brw_reg reg, unsigned swz)
{
assert(reg.file != BRW_IMMEDIATE_VALUE);
reg.swizzle = brw_compose_swizzle(BRW_SWIZZLE4(x, y, z, w),
reg.swizzle);
reg.swizzle = brw_compose_swizzle(swz, reg.swizzle);
return reg;
}
static inline struct brw_reg
brw_swizzle1(struct brw_reg reg, unsigned x)
{
return brw_swizzle(reg, x, x, x, x);
}
static inline struct brw_reg
brw_writemask(struct brw_reg reg, unsigned mask)
{